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Patent Searching and Data


Title:
FLUORESCENT LAMP
Document Type and Number:
Japanese Patent JP2683990
Kind Code:
B2
Abstract:

PURPOSE: To illuminate a very large surface area with one fluorescent lamp by forming a coil on the surface of a glass sealed body by spraying copper granular powder.
CONSTITUTION: Regarding a fluorescent lamp 1, the inner wall is coated with a phosphor body 3 and a coil 4 is formed on the surface of a glass sealed body 2 in which an inert gas and mercury are sealed by induction plasma spraying of copper granular powder. The coil is formed on the whole surface of one side of the glass sealed body and thus visible light-rays are radiated to the whole surface of the fluorescent lamp and a large surface area can be illuminated by one fluorescent lamp.


Inventors:
Kunio Shikata
Umezu Toshiharu
Application Number:
JP31772992A
Publication Date:
December 03, 1997
Filing Date:
November 02, 1992
Export Citation:
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Assignee:
Sansha Electric Co., Ltd.
International Classes:
F21S2/00; H01J61/30; H01J65/04; H05B41/02; (IPC1-7): H01J65/04; F21S1/00; H01J61/30
Attorney, Agent or Firm:
Hiroshi Tanaka (2 outside)